8369663958 has 192 divisors, whose sum is σ = 21018553920. Its totient is φ = 2458294272.

The previous prime is 8369663881. The next prime is 8369663983. The reversal of 8369663958 is 8593669638.

It is a junction number, because it is equal to n+sod(n) for n = 8369663895 and 8369663904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28565260 + ... + 28565552.

It is an arithmetic number, because the mean of its divisors is an integer number (109471635).

Almost surely, 2^8369663958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8369663958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10509276960).

8369663958 is an abundant number, since it is smaller than the sum of its proper divisors (12648889962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8369663958 is a wasteful number, since it uses less digits than its factorization.

8369663958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 381 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The square root of 8369663958 is about 91485.8675315483. The cubic root of 8369663958 is about 2030.3426632438.

The spelling of 8369663958 in words is "eight billion, three hundred sixty-nine million, six hundred sixty-three thousand, nine hundred fifty-eight".